CN103426300B - Improve the system and method for bus rapid transit scheduling accuracy - Google Patents
Improve the system and method for bus rapid transit scheduling accuracy Download PDFInfo
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- CN103426300B CN103426300B CN201210157585.9A CN201210157585A CN103426300B CN 103426300 B CN103426300 B CN 103426300B CN 201210157585 A CN201210157585 A CN 201210157585A CN 103426300 B CN103426300 B CN 103426300B
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Abstract
The present invention discloses a kind of system and method improving bus rapid transit scheduling accuracy, belongs to intelligent transportation applied technical field.Utilize the quick public transport vehicle being provided with vehicle GPS positioning unit and vehicle-mounted odometer counting unit in advance according to bus rapid transit route running one time, using vehicle GPS positioning unit and the vehicle-mounted odometer counting unit positional information determined per second as reference position, directly adopt vehicle position information that GPS locator module detects as vehicle actual position information in the process of moving, when vehicle walks to tunnel, the inferior situation of viaduct cause gps signal be subject to blocking cannot outgoing position data time, system will count the data determination current vehicle position of submodule with mileage, ensure that bus rapid transit can both be accurate to second p.s. thus, the information of arriving at a station that further guarantee is issued is accurate to second.
Description
Technical field
The present invention relates to bus rapid transit scheduling field, be specifically related to a kind of system and method improving bus rapid transit scheduling accuracy.
Background technology
Urban highway traffic is city " blood vessel ", and making it unimpeded is the guarantee of urban sustainable development.At present, urban highway traffic supply can not meet transport need far away, result in urban road traffic congestion.The origin cause of formation of urban traffic blocking is multifaceted, and how to meet transport need alleviation traffic congestion from raising public transport efficiency aspect is one of major subjects of traffic administration decision maker care.
Transport need refers to that people for various purposes and thing carry out the requirement of movement in every way in social public space.Therefore, how adopting that handling capacity of passengers is large, speed is fast, take the relatively little vehicles of path area, by people from first ground safety, easily and fast, punctual, comfortable, inexpensively move to second ground, is the target that traffic administration decision maker pursues.
In order to realize this target, bus rapid transit (BRT:Bus Rapid Transit) is actively being built or opened in domestic and international big and medium-sized cities all, and be that bus rapid transit provides special lane and crossing signals priority function at road and signal control plane, guarantee that bus rapid transit does not disturb by other vehicles in traveling process, do not need by preferentially all-clear can be obtained during crossing to stop.And by reasonably arranging at time of departure of BRT vehicle and arrival time, can ensure that departing time interval is shorter as far as possible, expanding the operation ability of BRT vehicle.But the operation ability improving BRT vehicle to greatest extent will be ensured, each website will be arrived with can being accurate to second by strict guarantee BRT vehicle, therefore very necessary by ensureing that BRT vehicle can arrive each website on time and with being accurate to second to the scheduling of fast B RT vehicle.
In prior art, the scheduling of BRT is carried out in the following way: be 1. mounted with on each BRT vehicle and can carry out the GPS(Global Positioning System of communication transfer with dispatching center) locating module, utilize GPS locator module can obtain the real time position of BRT vehicle and be sent to dispatching center; 2. after dispatching center receives the positional information of BRT vehicle, with GIS(Geographic Information System) Geographic Information System associates, match on electronic map road by the positional information of BRT vehicle, dispatcher can see the position of BRT vehicle on electronic chart; 3. dispatcher can transfer the timetable prestored from system, and according to the arrival time recorded in timetable, in conjunction with the scheduling experience scheduling BRT vehicle of dispatcher, commander BRT vehicle arrives website on time.
In prior art, following problem is existed to BRT vehicle scheduling:
(1) for dispatcher, the moment that BRT vehicle arrives website can only be obtained according to timetable, therefore can only dispatch with scheduling experience according to the moment of BRT vehicle arrival website when dispatching, because the driving habits of driver is different in scheduling process, the experience not parity problem of dispatcher, BRT vehicle may be caused according to the stipulated time in timetable, website cannot to be arrived with being accurate to second.Especially in rush hour on and off duty, namely 1 to 2 minutes, the interval at the time of departure of BRT vehicle, owing to can not ensure in scheduling process that each BRT vehicle arrives website according to the time of timetable with being accurate to second, often cause many BRT vehicles to arrive a station simultaneously and also do not have the situation of a BRT vehicle pull-in to occur through the longer time, bringing inconvenience to motroist's trip.
(2) in prior art to the scheduling of BRT vehicle, carry out according to the scheduling experience of dispatcher and the driving experience of driver, unified standard cannot be had, therefore the timetable formulated can only as secondary reference of arranging an order according to class and grade, can not ensure that BRT vehicle arrives each website with being accurate to second completely, make troubles to people by bus, and be unfavorable for the operation ability improving BRT vehicle.
(3) in technique scheme, vehicle location information is obtained by vehicle GPS, but the signal of vehicle GPS is easy to be blocked by buildings, trees, bridge, tunnel etc., vehicle drives to gps signal under tunnel, viaduct when being subject to blocking, when GPS cannot determine current vehicle position, technique scheme cannot guarantee that quick public transport vehicle arrives each website with can being accurate to second.
(4) in prior art to the scheduling of BRT vehicle, that dispatch command is handed down to BRT vehicle in dispatching center by the form of data communication by dispatcher, therefore, when BRT vehicle and dispatching center's communication are interrupted once in a while, just cannot implement scheduling, more can not ensure the scheduling being accurate to second.
Summary of the invention
To be solved by this invention is dispatch quick public transport vehicle according to the empirical value of vehicle-mounted GPS equipment and yardman in prior art, the scheduling being accurate to second can not be ensured, and when relying on vehicle GPS to obtain vehicle position information, run into when having shelter and can cause dropout, vehicle position information accurately cannot be obtained and then affect the technical matters of degree of accuracy of bus rapid transit scheduling.
For solving the problems of the technologies described above, the invention provides a kind of system improving bus rapid transit scheduling accuracy, comprising:
Scheduling unit, vehicle dispatching performance element, realize the first data communication unit of the transmission of data between described scheduling unit and described vehicle dispatching performance element; Vehicle GPS positioning unit and vehicle-mounted odometer counting unit and realize described vehicle GPS positioning unit and the second data communication unit that between described vehicle-mounted odometer counting unit and described scheduling unit, data are transmitted, described vehicle GPS positioning unit and described vehicle-mounted odometer counting unit are arranged on quick public transport vehicle; Driver drive in advance be provided with described vehicle GPS positioning unit and described vehicle-mounted odometer counting unit quick public transport vehicle between every two adjacent sites of bus rapid transit route according to regulation speeds, described vehicle GPS positioning unit gathers the position coordinates (x of a quick public transport vehicle p.s.
i, y
i), described vehicle-mounted odometer counting unit gathers the distance travelled number S of a quick public transport vehicle p.s.
i;
Described scheduling unit is arranged in dispatching center, and it comprises:
Schedule plan generation module, receives the position coordinates (x of the quick public transport vehicle that described vehicle GPS positioning unit collects p.s. by described second data communication unit
i, y
i) and the distance travelled number S to collect p.s. of described vehicle-mounted odometer counting unit
iwith time of vehicle operation t
ischedule plan is formed after association; In the process that described in each, planned time table record quick public transport vehicle travels between adjacent sites p.s. the coordinate (x of reference position that should arrive
i, y
i), benchmark mileage number S
iwith running time t
i; First described reference position of recording in described schedule plan is reference position, and corresponding running time is initial time; Record in described schedule plan last described in reference position be in-position, corresponding running time is time of arrival;
Schedule plan memory module, receive and store described schedule plan generation module generate described schedule plan;
The time of running shows generation module, when quick public transport vehicle is waited at the starting station and being dispatched a car, show generation module the described time of running from described schedule plan memory module, transfer all schedule plans meeting this quick public transport vehicle running route, according to the time of departure of this quick public transport vehicle, the down time of each bus stop by the running time t in all described schedule plans
ibe revised as corresponding local time T
i, all described times of running are also shown to be sent to the described vehicle dispatching performance element that corresponding quick public transport vehicle is arranged by described first data communication unit by generating run timetable;
Described vehicle dispatching performance element is arranged on quick public transport vehicle, and it comprises:
The time of running shows memory module, and the described time of running receiving described first data communication unit transmission is shown and stores;
Vehicle location detection module, it comprises GPS locator module and mileage counting submodule, described GPS locator module, with the coordinate (x of 1 second for the physical location of cycle collection quick public transport vehicle
d, y
d);
Described mileage counting submodule, gathers the mileage number S that p.s., quick public transport vehicle travelled
d;
Data switching module, is connected with the output terminal that described mileage counts submodule with described GPS locator module, reads described GPS locator module and the data that collect of described mileage counting submodule simultaneously; If described GPS locator module detects the coordinate (x of quick public transport vehicle physical location
d, y
d), then described data switching module exports the coordinate (x of quick public transport vehicle physical location
d, y
d), control the zeros data in described mileage counting submodule simultaneously; Otherwise described data switching module exports the mileage number S that quick public transport vehicle travels
d;
Multilevel iudge module, receives the data showing memory module and data switching module output the described time of running; By the coordinate (x of the physical location of the quick public transport vehicle of current time
d, y
d) be associated with reference position nearest with it in the table described time of running, the reference instant of its correspondence is set to T
d, reference instant T in simultaneously showing the time of running
dand corresponding benchmark mileage afterwards, deduct reference instant T successively
dcorresponding mileage number S
d; Or by the mileage number S that quick public transport vehicle travels
dbe associated with immediate benchmark mileage with it in the table described time of running, the reference instant of its correspondence is set to T
d;
By T
dcompare with current time T, computing time deviate Cw=|T-T
d|, compare with deviation alarm threshold value C: if during Cw≤C, judge that current quick public transport vehicle normally travels; If Cw>C, and T-T
dfor on the occasion of time, judge the delayed traveling of current quick public transport vehicle; If Cw>C, and T-T
dduring for negative value, judge that current quick public transport vehicle travels in advance;
Deviation display module, receives the judged result of described multilevel iudge module, and quick public transport vehicle is by the reference instant T corresponding to current time T and quick public transport vehicle current time physical location or actual travel mileage
ddifference distinguish display in seconds, prompting driver regulate the speed.
Described scheduling unit also comprises route schematic diagram display module, it receives the data showing generation module the described time of running, and is received the data of the described multilevel iudge module in all quick public transport vehicle vehicle dispatching performance elements by described first data communication unit;
Described route schematic diagram display module is by representing intention display quick public transport vehicle travel route the time of running, represent that intention represents the reference instant of record in the table described time of running with reference position point the described time of running, the line segment connecting described reference position point composition represents travel route, by the reference instant T corresponding to reference position corresponding for current time T point and each order of classes or grades at school quick public transport vehicle physical location
dcorresponding reference position point difference display.
Whether described vehicle dispatching performance element also comprises auditory tone cues module, is connected with the signal output part of described multilevel iudge module, according to the judged result of described multilevel iudge module, sailed by voice signal prompting driver according to the table row time of running.
Described vehicle GPS positioning unit has identical specifications parameter with described GPS locator module.
The present invention also provides a kind of system of above-mentioned raising bus rapid transit scheduling accuracy that utilizes to carry out the method for dispatching, and comprises the steps:
I. schedule plan is generated
1. for each bus rapid transit route, by driver quick public transport vehicle speeds according to the rules between every two adjacent sites, the position coordinates (x of a quick public transport vehicle is gathered p.s.
i, y
i) and distance travelled number S
i;
Position coordinates (the x of the quick public transport vehicle 2. p.s. collected
i, y
i) as reference position coordinate, by distance travelled number S
ias benchmark mileage, by running time t
ias reference time, form schedule plan after association, first described reference position of recording in described schedule plan is reference position, and corresponding running time is initial time; Record in described schedule plan last described in reference position be in-position, corresponding running time is time of arrival;
II. generating run timetable
Transfer all schedule plans relevant to a bus rapid transit route, according to frequency, each down time of stopping website of each order of classes or grades at school quick public transport vehicle of this route, by the running time t in described schedule plan
ichange corresponding local time T into
ias reference instant, formed and show one group of time of running corresponding with each order of classes or grades at school quick public transport vehicle; When quick public transport vehicle is dispatched a car in starting station wait, one of correspondence group of time of running is shown to be sent to quick public transport vehicle;
III. schedule information is generated
S1, judge current time T whether equal a certain time of running table in record initial time; If equal, assign out to the quick public transport vehicle of correspondence immediately and send instructions; Otherwise, judge whether current time T is greater than the initial time of table record a certain time of running, be less than the time of arrival of table record described time of running simultaneously;
If S2 current time T is greater than the initial time of table record a certain time of running, is less than the time of arrival of this of table record simultaneously time of running, then judges that corresponding quick public transport vehicle sets out, read current time quick public transport vehicle actual position coordinate (x
d, y
d), otherwise repeat step S1;
S3, transfer the described time of running table, by the coordinate (x of quick public transport vehicle physical location
d, y
d) be associated with reference position nearest with it in the table described time of running, the reference instant of its correspondence is set to T
d; Reference instant T in simultaneously showing the time of running
dand corresponding benchmark mileage afterwards, deduct reference instant T successively
dcorresponding mileage number S
dand the distance travelled number of quick public transport vehicle current time is reset, then perform step S5;
If current time quick public transport vehicle actual position coordinate (x cannot be gathered
d, y
d), proceed to step S4;
S4, transfer the described time of running table, read the actual travel mileage number S of quick state vehicle current time
d; Quick public transport vehicle actual travel mileage number is associated with immediate benchmark mileage with it in the table described time of running, the reference instant of its correspondence is set to T
d;
S5, computing time deviate Cw=|T-T
d|, described reporting Cw and deviation alarm threshold value C is compared:
If during Cw≤C, judge that quick public transport vehicle normally travels;
If Cw>C, and T-T
dfor on the occasion of, judge the delayed traveling of quick public transport vehicle;
If Cw>C, and T-T
dfor negative value, judge that quick public transport vehicle travels in advance;
S6, quick public transport vehicle are by the reference instant T corresponding to current time T and quick public transport vehicle current time physical location or actual travel mileage
ddifference distinguish display in seconds, prompting driver regulate the speed;
S7, judge current time whether equal a certain time of running table in record arrival time, if equal, perform step IV, if be not equal to, return step S1;
IV, judge whether quick public transport reaches terminal, if reached terminal, task terminates; Otherwise, return step S1.
Before described step I, also comprise the step of numbering respectively for every bar bus rapid transit route and each website thereof;
Obtain in described step I each described in schedule plan all there is the identification number relevant to bus rapid transit route site number.
After the table generation time of running described in described Step II, the time of running of display quick public transport vehicle travel route represents intention; By the reference instant T corresponding to reference position corresponding for current time T point and each order of classes or grades at school quick public transport vehicle physical location or actual travel mileage
dcorresponding reference position point difference display.
Also comprise the steps: after described step S4
Whether S4 ', broadcasting voice signal prompting driver be according to the step that the described time of running, table row was sailed.
Technique scheme tool of the present invention has the following advantages:
(1) in the present invention, travelled along bus rapid transit route according to the normal time interval arriving each website respectively by driver quick public transport vehicle, in the process of moving, mileage counts the mileage number S that submodule travelled for cycle metering quick public transport vehicle with 1 second
i, be stored in schedule plan, if quick public transport vehicle travels to tunnel, when viaducts etc. cannot obtain GPS locator module information, the immediate benchmark mileage recorded in directly can utilizing the mileage number of mileage counting submodule record and showing the time of running associates, and in dispatching method in the present invention, as long as GPS locator module can collect the positional information of quick public transport vehicle, just reference instant and benchmark mileage corresponding afterwards thereof in the time of running being shown, deduct mileage number corresponding to reference instant successively and the mileage number of vehicle-mounted mileage counting submodule record is reset, the cumulative errors because quick public transport vehicle operating range far brings can be eliminated thus, judge after association whether quick public transport vehicle is accurate to travel second.When not collecting gps signal, the degree of accuracy of dispatching still can be ensured.
(2) schedule plan adopted when quick public transport vehicle being dispatched in the present invention, in units of 1 second, quick public transport vehicle is dispatched, quick public transport vehicle travel omnidistance all with 1 second for the cycle carries out Real-Time Scheduling, therefore can ensure that any instant arrives the position of regulation with can being accurate to second in the driving process of bus rapid transit.
(3) in the present invention, set out moment and the moment of reaching terminal according to schedule plan and quick public transport vehicle, the table time of running obtained, when actual comparing, the reference instant that current time is corresponding with quick public transport vehicle current actual positions or actual mileage is compared, in the whole process of scheduling, all the foundations using the time as scheduling, by deviation display module, two time point differences are shown, difference between two points that driver shows according to deviation display module is counted, can know whether oneself sails according to the table row time of running of regulation in real time, once quick public transport vehicle advanced or delayed time exceedes alarm threshold value, system just can send dispatch command, thus ensure that quick public transport vehicle can be sailed according to the table row time of running, relative to higher as the foundation degree of accuracy of scheduling by distance in prior art, more can ensure that scheduling is accurate to second.
(4) in the present invention, while by deviation display module prompting driver, be also aided with auditory tone cues, whether real-time prompting driver Current vehicle normally advances in the process of moving, make driver independently can obtain dispatch command at any time, make next step action according to dispatch command.
(5) in the present invention, be provided with in vehicle dispatching performance element and show memory module the time of running receiving the table time of running, and vehicle dispatching performance element comprises GPS locator module, measure the position coordinates of a quick public transport vehicle 1 second, and also comprise the multilevel iudge module that actual position coordinate that in directly being shown the time of running, reference position coordinate and the measurement of GPS locator module obtain is compared in vehicle dispatching performance element, therefore dispatching center's unit only needs show to carry out in memory module storing the time of running table time of running of correspondence being issued to vehicle dispatching performance element, in scheduling process, just do not need to keep communication constantly with command and control center, the scheduling being accurate to second can be implemented completely by the existing information of vehicle dispatching performance element, even if quick public transport vehicle and dispatching center's communication disruption are not also affected.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is the system chart of raising bus rapid transit scheduling accuracy of the present invention;
Fig. 2 is the process flow diagram of generating run timetable of the present invention;
Fig. 3 is the process flow diagram of the method for raising bus rapid transit scheduling accuracy of the present invention;
The reference position point that the current time that Fig. 4 shows for the difference of embodiment of the present invention deviation display module is corresponding and the reference position point T corresponding to quick public transport vehicle current time physical location
dschematic diagram;
The schematic diagram of the reference position point that each order of classes or grades at school quick public transport vehicle current time T that Fig. 5 shows for the difference of embodiment of the present invention route schematic diagram display module is corresponding and the reference position point TD corresponding to this order of classes or grades at school quick public transport vehicle current time physical location;
Wherein Reference numeral is: 1-scheduling unit, 10-schedule plan generation module, 11-schedule plan memory module, 12-shows generation module the time of running, 13-route schematic diagram display module, 21-first data communication unit, 22-second data communication unit, 3-vehicle dispatching performance element, 31-shows memory module the time of running, 32-vehicle location detection module, 321-GPS locator module, 322-mileage counting submodule, 33-data switching module, 34-multilevel iudge module, 35-deviation display module, 36-auditory tone cues module, 4-vehicle GPS positioning unit, the vehicle-mounted odometer counting unit of 5-.
Embodiment
Provide specific embodiments of the invention below, the meaning that some symbols related in the present embodiment represent is as follows:
T: represent current time;
(x
i, y
i): the location coordinate information representing quick public transport vehicle position i-th second time, wherein i=0,1,2,3
T
i: represent running time, wherein i=0,1,2,3 ..., and t
0=0s, t
1=1s, t
2=2s
T
i: represent reference instant, wherein i=0,1,2,3 ..., and T
0represent frequency;
(x
d, y
d): represent at current time T, the coordinate of quick public transport vehicle physical location;
T
d: represent and operationally carve in table, with the coordinate (x of quick public transport vehicle current time physical location
d, y
d) reference time corresponding to coordinate of nearest reference position;
Cw: represent that quick public transport vehicle is in actual travel process, current time T and T
dbetween error;
C: represent deviation alarm threshold value;
N: the order of classes or grades at school representing the quick public transport vehicle of a certain bar bus rapid transit route.
The system of the raising bus rapid transit scheduling accuracy that the present embodiment provides, as shown in Figure 1, comprising: scheduling unit 1, vehicle dispatching performance element 3, realize the first data communication unit 21 of the transmission of data between described scheduling unit 1 and described vehicle dispatching performance element 3; Vehicle GPS positioning unit 4 and vehicle-mounted odometer counting unit 5 and realize described vehicle GPS positioning unit 4 and the second data communication unit 22 that between described vehicle-mounted odometer counting unit 5 and described scheduling unit 1, data are transmitted;
Described vehicle GPS positioning unit 4 and described vehicle-mounted odometer counting unit 5 are arranged on quick public transport vehicle; Driver drive in advance be provided with described vehicle GPS positioning unit 4 and described vehicle-mounted odometer counting unit 5 quick public transport vehicle between every two adjacent sites of bus rapid transit route according to regulation speeds, described vehicle GPS positioning unit 4 gathers the position coordinates (x of a quick public transport vehicle p.s.
i, y
i), described vehicle-mounted odometer counting unit 5 gathers the distance travelled number S of a quick public transport vehicle p.s.
i;
Described scheduling unit 1 is arranged in dispatching center, and it comprises:
Schedule plan generation module 10, receives the position coordinates (x of the quick public transport vehicle that described vehicle GPS positioning unit 4 collects p.s. by described second data communication unit 22
i, y
i) and the distance travelled number S to collect p.s. of described vehicle-mounted odometer counting unit 5
iwith time of vehicle operation t
ischedule plan is formed after association; In the process that described in each, planned time table record quick public transport vehicle travels between adjacent sites p.s. the coordinate (x of reference position that should arrive
i, y
i), benchmark mileage number S
iwith running time t
i; First described reference position of recording in described schedule plan is reference position, and corresponding running time is initial time; Record in described schedule plan last described in reference position be in-position, corresponding running time is time of arrival;
Schedule plan memory module 11, receive and store described schedule plan generation module 10 generate described schedule plan;
Show generation module 12 time of running, when quick public transport vehicle is waited at the starting station and being dispatched a car, show generation module 12 the described time of running from described schedule plan memory module 11, transfer all schedule plans meeting this quick public transport vehicle running route, according to the time of departure of this quick public transport vehicle, the down time of each bus stop by the running time t in all described schedule plans
ibe revised as corresponding local time T
i, all described times of running are also shown to be sent to the described vehicle dispatching performance element 3 that corresponding quick public transport vehicle is arranged by described first data communication unit 21 by generating run timetable;
Scheduling unit 1 also comprises route schematic diagram display module 13, it receives the data showing generation module 12 the described time of running, and is received the data of the described multilevel iudge module 34 in all quick public transport vehicle vehicle dispatching performance elements by described first data communication unit 21;
Described route schematic diagram display module 13 is by representing intention display quick public transport vehicle travel route the time of running, represent that intention represents the reference instant of record in the table described time of running with reference position point the described time of running, the line segment connecting described reference position point composition represents travel route, by the reference instant T corresponding to reference position corresponding for current time T point and each order of classes or grades at school quick public transport vehicle physical location
dcorresponding reference position point difference display;
Described vehicle dispatching performance element 3 is arranged on quick public transport vehicle, and it comprises:
Show memory module 31 time of running, the described time of running receiving described first data communication unit 21 transmission is shown and stores;
Vehicle location detection module 32, it comprises GPS locator module 321 and mileage counting submodule 322,
Described GPS locator module 321, with the coordinate (x of 1 second for the physical location of cycle collection quick public transport vehicle
d, y
d);
Described mileage counting submodule 322, gathers the mileage number S that p.s., quick public transport vehicle travelled
d;
Data switching module 33, the output terminal counting submodule 322 with described GPS locator module 321 and described mileage is connected, and reads described GPS locator module 321 and the data that collect of described mileage counting submodule 322 simultaneously; If described GPS locator module 321 detects the coordinate (x of quick public transport vehicle physical location
d, y
d), then described data switching module 33 exports the coordinate (x of quick public transport vehicle physical location
d, y
d), control the zeros data in described mileage counting submodule 322 simultaneously; Otherwise described data switching module 33 exports the mileage number S that quick public transport vehicle travels
d;
Multilevel iudge module 34, receives the data showing memory module 31 and data switching module 33 output the described time of running; By the coordinate (x of the physical location of the quick public transport vehicle of current time
d, y
d) be associated with reference position nearest with it in the table described time of running, the reference instant of its correspondence is set to T
d, reference instant T in simultaneously showing the time of running
dand corresponding benchmark mileage afterwards, deduct reference instant T successively
dcorresponding mileage number S
d; Or by the mileage number S that quick public transport vehicle travels
dbe associated with immediate benchmark mileage with it in the table described time of running, the reference instant of its correspondence is set to T
d;
By T
dcompare with current time T, computing time deviate Cw=|T-T
d|, compare with deviation alarm threshold value C: if during Cw≤C, judge that current quick public transport vehicle normally travels; If Cw>C, and T-T
dfor on the occasion of time, judge the delayed traveling of current quick public transport vehicle; If Cw>C, and T-T
dduring for negative value, judge that current quick public transport vehicle travels in advance;
Deviation display module 35, receives the judged result of described multilevel iudge module 34, and quick public transport vehicle is by the reference instant T corresponding to current time T and quick public transport vehicle current time physical location or actual travel mileage
ddifference distinguish display in seconds, prompting driver regulate the speed.
The present embodiment also provides a kind of dispatching method improving bus rapid transit scheduling accuracy, comprises the steps:
I. schedule plan is generated
1. for each bus rapid transit route, by driver quick public transport vehicle speeds according to the rules between every two adjacent sites, the position coordinates (x of a quick public transport vehicle is gathered p.s.
i, y
i) and distance travelled number S
i;
Position coordinates (the x of the quick public transport vehicle 2. p.s. collected
i, y
i) as reference position coordinate, by distance travelled number S
ias benchmark mileage, by running time t
ias reference time, form schedule plan after association, first described reference position of recording in described schedule plan is reference position, and corresponding running time is initial time; Record in described schedule plan last described in reference position be in-position, corresponding running time is time of arrival;
In practical implementation, whether the data acquisition that the driving habits of each driver and driving experience can have influence in schedule plan is accurate, therefore the mode chosen driver Shi Ke and take everybody to elect, select the outstanding driver generally acknowledged to obtain schedule plan, preferred driver obtains data and can be used as the benchmark that all drivers observe;
In this step, the quick public transport vehicle utilized is identical with the quick public transport vehicle in actual moving process, quick public transport vehicle is also provided with vehicle GPS positioning unit and vehicle-mounted odometer counting unit, utilize vehicle GPS positioning unit record quick public transport vehicle position coordinates as reference position coordinate, utilize vehicle-mounted odometer counting unit record distance travelled as benchmark mileage, be stored in schedule plan;
Conveniently distinguish different bus rapid transit routes and different websites, in the present embodiment, also comprise the step of numbering respectively for every bar bus rapid transit route and each website thereof; Obtain in this step thus each described in schedule plan all there is the identification number relevant to bus rapid transit route site number.When being numbered for quick public transport Road, can various ways be adopted, as long as different quick public transport Roads can be made a distinction, can different quick public transport Road be numbered arabic numeral in the present embodiment.
For bus rapid transit 1 bus (hereinafter referred to as fast 1), fast 1 by way of stop website have: in highland, De Mao village-Dongying room-six camp gate-Dong-Xi depression-three camp gate-and adopted southern station-and-Jiu Jing village, adopted farm-bright red raft of pontoons-West, The Big Red Gate-orchard, Nangyuan District road-wooden slippers garden bridge-sand mouth-Gate of Everlasting Stability-the Temple of Heaven-Qianmen;
If the bus routes corresponding to fast 1 is numbered " 1 ", being numbered " 101 " of its Sino-German Mao Zhuan station, being numbered " 102 " of station, Dongying room, the rest may be inferred, being numbered " 117 " of station, Qianmen.
When obtaining schedule plan, the quick public transport vehicle being arranged vehicle GPS positioning unit 4 and vehicle-mounted odometer counting unit 5 by driver travels to station, Dongying room (102) from station, the De Mao village (101) in advance according to the speed of regulation, obtain the schedule plan shown in table 1, if the identification number of table 1 is " 1001 ", obtaining the schedule plan shown in table 2 is equally schedule plan from station, Dongying room (102) to six camp gate stations (103), if its identification number is " 1002 ".As shown in Table 1 and Table 2, the benchmark mileage number that the coordinate that record the reference position that quick public transport vehicle should arrive p.s. in schedule plan should travel p.s., and be reference position by first described reference position, corresponding running time is initial time; Record in described schedule plan last described in reference position be in-position, corresponding running time is time of arrival;
Table 1 No. 1001 schedule plans
Starting station: arrival station, the De Mao village: Dongying room
The schedule plan that No. 1002, table 2
Starting station: Dongying room (102) arrival station: six camp gates (103)
Schedule plan as shown in Table 1 and Table 2, the value of described longitude and latitude is all detected by vehicle GPS positioning unit 4 and obtains, and is not associated with electronic map road.The in-position that it should be noted that in the schedule plan of No. 1001 is exactly that reference position in the schedule plan of No. 1002 is identical in fact, and just due in different schedule plans, the representation therefore adopted is different.
By that analogy, the schedule plan between all adjacent two stations on whole piece route can be obtained, and the in-position of previous schedule plan is identical with the starting position coordinates of next schedule plan.
II. generating run timetable
Transfer all schedule plans relevant to a bus rapid transit route, according to frequency, each down time of stopping website of each order of classes or grades at school quick public transport vehicle of this route, by the running time t in described schedule plan
ichange corresponding local time T into
ias reference instant, formed and show one group of time of running corresponding with each order of classes or grades at school quick public transport vehicle; When quick public transport vehicle is dispatched a car in starting station wait, one of correspondence group of time of running is shown to be sent to quick public transport vehicle;
If fast 1 bus of the n-th order of classes or grades at school is 12:30:00 from the De Mao village (101) the station moment, namely initial time answers corresponding 12:30:00, add the running time in No. 1001 schedule plans, the local time corresponding when quick public transport vehicle arrives any one reference position between two stations can be released, then can obtain according to watch 1 fast 1 bus of the n-th order of classes or grades at school No. 1001 the times of running table as shown in table 3.
The table time of running that No. 1001, table 3
Starting station: the De Mao village (101) arrival station: Dongying room (102)
Being located at Dongying room (102) down time of standing is 30 seconds, then in table No. 1002 times of running from the moment at Dongying room (102) station should be just show No. 1001 times of running in arrive station, Dongying room moment 12:35:00 add that down time, 30s drew, can obtain from the moment at station, Dongying room be 12:35:30, the table No. 1002 times of running that can obtain fast 1 bus is thus as shown in table 4.
The table time of running that No. 1002, table 4
Starting station: Dongying room (102) arrival station: six camp gates (103)
Contrasted by table 3 and table 1, and table 4 contrasts known with table 2, described time of running, table was exactly the local time running time in described schedule plan being scaled correspondence, other Information invariabilities.The like, all time of running table of quick public transport vehicle in operational process can be obtained.
III. schedule information is generated
S1, judge current time T whether equal a certain time of running table in record initial time; If equal, assign out to the quick public transport vehicle of correspondence immediately and send instructions; Otherwise, judge whether current time T is greater than the initial time of table record a certain time of running, be less than the time of arrival of table record described time of running simultaneously;
To show No. 1002 times of running in the present embodiment, then initial time is 12:35:30, and time of arrival is 12:41:30; Suppose that current time T is 12:35:34, obviously its be greater than No. 1002 the time of running table record initial time and be less than No. 1002 the time of running table record time of arrival;
If S2 current time T is greater than the initial time of table record a certain time of running, is less than the time of arrival of this of table record simultaneously time of running, then judges that corresponding quick public transport vehicle sets out, read current time quick public transport vehicle actual position coordinate (x
d, y
d), otherwise repeat step S1;
S3, transfer the described time of running table, by the coordinate (x of quick public transport vehicle physical location
d, y
d) be associated with reference position nearest with it in the table described time of running, the reference instant of its correspondence is set to T
d; Reference instant T in simultaneously showing the time of running
dand corresponding benchmark mileage afterwards, deduct reference instant T successively
dcorresponding mileage number S
dand the distance travelled number of quick public transport vehicle current time is reset, then perform step S5;
Such as when current time T is 12:35:34, quick public transport vehicle current actual positions coordinate (x detected
d, y
d), described multilevel iudge module 34 is by quick public transport vehicle current actual positions coordinate (x
d, y
d) with the time of running show in reference position carry out comparison one by one, finding the reference position coordinate nearest with current quick public transport vehicle positional distance is (x
3, y
3), obtain T reference time that this position is corresponding
dfor 12:35:31; Meanwhile, in being shown the time of running, 12:35:31 and benchmark mileage corresponding afterwards thereof, deduct mileage number corresponding to reference instant 12:35:31 5.00 successively;
Then the time of running, table will be deformed into:
During table 5 12:35:31, the time of running of No. 1002 is shown
Starting station: Dongying room (102) arrival station: six camp gates (103)
Adopt this method can eliminate cumulative errors because operating range far brings, as common practise, can know, metering for Vehicle-Miles of Travel is that the diameter of the number of turns and the wheel turned over according to wheel obtains, and technician is difficult to ensure that the diameter of wheel always remains on identical numerical value, therefore outstanding driver drives the mileage number recorded in quick public transport vehicle driving process in advance, with the mileage number recorded during actual travel, very likely not identical, because the diameter of wheel there occurs change due to the aeration quantity difference of tire, so can cumulative errors be there are after long distance travel, this cumulative errors are eliminated owing to being reset by mileage number in real time in the present embodiment.
If current time quick public transport vehicle actual position coordinate (x cannot be gathered
d, y
d), proceed to step S4;
S4, transfer the described time of running table, read the actual travel mileage number S of quick state vehicle current time
d; Quick public transport vehicle actual travel mileage number is associated with immediate benchmark mileage with it in the table described time of running, the reference instant of its correspondence is set to T
d; Obviously now, the mileage number read has been not cumulative mileage number, but the mileage number that time that can read quick public transport vehicle position coordinates from upper one second, therefore can eliminate cumulative errors;
According to table 5, if be the 12:35:32 moment at T, GPS locator module 321 can't detect the position coordinate value of quick public transport vehicle, then read the mileage number that now mileage counting submodule 322 records, if now mileage counting submodule 322 record mileage number be 25.00m, with show the time of running in benchmark mileage S
4association, S
4corresponding reference instant T
dfor 12:35:34;
S5, computing time deviate Cw=|T-T
d|, described reporting Cw and deviation alarm threshold value C is compared:
If during Cw≤C, judge that quick public transport vehicle normally travels;
If Cw>C, and T-T
dfor on the occasion of, judge the delayed traveling of quick public transport vehicle;
If Cw>C, and T-T
dfor negative value, judge that quick public transport vehicle travels in advance;
Select described deviation alarm threshold value C to be 1s, thus, calculate mistiming Cw=|T-T by multilevel iudge module 34
d| be 3 seconds, be greater than C, and T-T
dbe negative, therefore delayed 3 seconds of quick public transport vehicle;
S6, quick public transport vehicle are by the reference instant T corresponding to current time T and quick public transport vehicle current time physical location or actual travel mileage
ddifference distinguish display in seconds, prompting driver regulate the speed; Prompting driver will remain the reference position point that current time T is corresponding and the reference instant T corresponding to quick public transport vehicle current time physical location
dcorresponding reference position point is in coincidence status;
Figure 4 shows that the reference position point that current time that described deviation display module 35 shows is corresponding and the reference position point T corresponding to quick public transport vehicle current time physical location
dschematic diagram; The time that current time T is corresponding is as shown in the figure 08:00:11, and the time that the reference instant TD that quick public transport vehicle current actual positions is corresponding is corresponding is 08:00:14, and obvious quick public transport vehicle travels advanced 3 seconds.In the present embodiment, the reference position point that described deviation display module 35 shows is 9, and by reference position corresponding for current time point in centre position, in quick public transport vehicle operational process, As time goes on, the moment representated by the point of reference position also passes backward.Further, in actual moving process, more reference position point can be shown.When quick public transport vehicle is advanced or exceed the scope of said reference point retardation time, directly can adopt digital prompt, such as, according to Fig. 4, when advanced 13 seconds of quick public transport vehicle, can not be prompted to driver by the reference position point shown in Fig. 4, now deviation directly can be prompted to driver by described deviation display module 35, as " advanced 13 seconds ".
S7, judge current time whether equal a certain time of running table in record arrival time, if equal, perform step IV, if be not equal to, return step S1;
IV, judge whether quick public transport reaches terminal, if reached terminal, task terminates; Otherwise, return step S1.
Adopt the quick public transport vehicle that the scheduling that uses the same method is all, can ensure can be accurate to second to the scheduling of quick public transport vehicle.
Adopt the quick public transport vehicle that the scheduling that uses the same method is all, can ensure can be accurate to second to the scheduling of quick public transport vehicle.
As preferred embodiment, after the table generation time of running described in described Step II, the time of running of display quick public transport vehicle travel route represents intention; By the reference position point T corresponding to reference position corresponding for current time T point and each quick public transport vehicle current time physical location
ddifference is presented at and represents in intention the described time of running.
Be illustrated in figure 5 a kind of form of expression, adopt "●" to represent reference position point corresponding to the reference instant that quick public transport vehicle current actual positions is corresponding in Fig. 5, adopt
represent the reference position point that current time is corresponding, quick public transport vehicle for different order of classes or grades at school can adopt different colors to distinguish, the picture being black and white due to this figure can not be distinguished according to color, therefore numerical reference order of classes or grades at school is adopted in the symbol top of correspondence: as " B3 " represents the 3rd order of classes or grades at school, " R12 " represents the 12nd order of classes or grades at school, " G18 " represents the 18th order of classes or grades at school, " Y19 " represents the 19th order of classes or grades at school, but different colours can be utilized during actual motion to represent the vehicle of different order of classes or grades at school, such as adopt blue expression the 3rd order of classes or grades at school, adopt red expression the 12nd order of classes or grades at school, adopt green expression the 18th order of classes or grades at school, adopt yellow expression the 19th order of classes or grades at school etc., as the mode that can realize, quick public transport vehicle for different order of classes or grades at school can take different shapes and represent, such as the 3rd order of classes or grades at school can adopt triangle to represent, 12nd order of classes or grades at school can adopt rectangle to represent, 18th order of classes or grades at school can adopt rhombus to represent, the 19th order of classes or grades at school can adopt pentagram shape to represent etc.
Dispatcher can exercise supervision to the situation of scheduling in dispatching center, as can be seen from the figure dispatches whether be accurate to second.Be described for Fig. 5, obviously can obtain, for the 3rd order of classes or grades at school quick public transport vehicle and the 19th order of classes or grades at school quick public transport vehicle, two points overlap, and obviously the quick public transport vehicle of this two order of classes or grades at school normally travels according to the regulation that the time of running is shown.And for the 18th order of classes or grades at school quick public transport vehicle, the reference position point corresponding to the reference instant that quick public transport vehicle current actual positions is corresponding surpasses reference position point corresponding to the first two point current time, therefore belong to advanced traveling, and advanced two seconds; For the 12nd order of classes or grades at school quick public transport vehicle, the reference position point that delayed four the some current times of the reference position point corresponding to the reference instant that quick public transport vehicle current actual positions is corresponding are corresponding, therefore belongs to delayed traveling, and delayed four seconds.
Generally driver can revise voluntarily according to above-mentioned prompting, if because certain reason is not revised, dispatcher can to not sending schedule information according to the driver of the quick public transport vehicle that the time of running, table row was sailed, also can adopt the form such as phone, note driver, thus ensure the degree of accuracy of scheduling further.
Whether in order to better point out driver to travel according to the regulation shown the time of running, in the present embodiment, said method also comprises the steps:
S7, broadcasting voice signal prompting driver are with whether being accurate to second according to the step that the described time of running, table row was sailed.Play voice signal and can adopt common toy trumpet, voice signal includes, but are not limited to following form: can play long prompting driver and travel in advance, and playing minor prompting, driver is delayed has travelled; " advanced, two seconds " " delayed, 5 seconds " etc. can be play-overed and directly point out driver;
In sum, technical scheme provided by the present invention can ensure that quick public transport vehicle is sailed according to the table row time of running with being accurate to second, to improve the operation ability of quick public transport vehicle, alleviates the pressure of road traffic.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. can improve a system for bus rapid transit scheduling accuracy, comprise:
Scheduling unit (1), vehicle dispatching performance element (3), realize first data communication unit (21) of the transmission of data between described scheduling unit (1) and described vehicle dispatching performance element (3); Vehicle GPS positioning unit (4) and vehicle-mounted odometer counting unit (5) and realize described vehicle GPS positioning unit (4) and the second data communication unit (22) that between described vehicle-mounted odometer counting unit (5) and described scheduling unit (1), data are transmitted, is characterized in that:
Described vehicle GPS positioning unit (4) and described vehicle-mounted odometer counting unit (5) are arranged on quick public transport vehicle; Driver drive in advance be provided with described vehicle GPS positioning unit (4) and described vehicle-mounted odometer counting unit (5) quick public transport vehicle between every two adjacent sites of bus rapid transit route according to regulation speeds, described vehicle GPS positioning unit (4) gathers the position coordinates (x of a quick public transport vehicle p.s.
i, y
i), described vehicle-mounted odometer counting unit (5) gathers the distance travelled number S of a quick public transport vehicle p.s.
i;
Described scheduling unit (1) is arranged in dispatching center, and it comprises:
Schedule plan generation module (10), receives the position coordinates (x of the quick public transport vehicle that described vehicle GPS positioning unit (4) collects p.s. by described second data communication unit (22)
i, y
i) and the distance travelled number S to collect p.s. of described vehicle-mounted odometer counting unit (5)
iwith time of vehicle operation t
ischedule plan is formed after association; In the process that described in each, planned time table record quick public transport vehicle travels between adjacent sites p.s. the coordinate (x of reference position that should arrive
i, y
i), benchmark mileage number S
iwith running time t
i; First described reference position of recording in described schedule plan is reference position, and corresponding running time is initial time; Record in described schedule plan last described in reference position be in-position, corresponding running time is time of arrival;
Schedule plan memory module (11), receives and stores the described schedule plan that described schedule plan generation module (10) generates;
Show generation module (12) time of running, when quick public transport vehicle is waited at the starting station and being dispatched a car, show generation module (12) the described time of running and transfer all schedule plans meeting this quick public transport vehicle running route from described schedule plan memory module (11), according to the time of departure of this quick public transport vehicle, the down time of each bus stop by the running time t in all described schedule plans
ibe revised as corresponding local time T
i, all described times of running are also shown to be sent to the described vehicle dispatching performance element (3) that corresponding quick public transport vehicle is arranged by described first data communication unit (21) by generating run timetable;
Described vehicle dispatching performance element (3) is arranged on quick public transport vehicle, and it comprises:
Show memory module (31) time of running, receive and show and store the described time of running that described first data communication unit (21) transmits;
Vehicle location detection module (32), it comprises GPS locator module (321) and mileage counting submodule (322),
Described GPS locator module (321), with the coordinate (x of 1 second for the physical location of cycle collection quick public transport vehicle
d, y
d);
Described mileage counting submodule (322), gathers the mileage number S that p.s., quick public transport vehicle travelled
d;
Data switching module (33), the output terminal counting submodule (322) with described GPS locator module (321) and described mileage is connected, and reads described GPS locator module (321) and described mileage counting submodule (322) data that collect simultaneously; If described GPS locator module (321) detects the coordinate (x of quick public transport vehicle physical location
d, y
d), then described data switching module (33) exports the coordinate (x of quick public transport vehicle physical location
d, y
d), control the zeros data in described mileage counting submodule (322) simultaneously; Otherwise described data switching module (33) exports the mileage number S that quick public transport vehicle travels
d;
Multilevel iudge module (34), receives the data shown memory module (31) and data switching module (33) the described time of running and export; By the coordinate (x of the physical location of the quick public transport vehicle of current time
d, y
d) be associated with reference position nearest with it in the table described time of running, the reference instant of its correspondence is set to T
d, reference instant T in simultaneously showing the time of running
dand corresponding benchmark mileage afterwards, deduct reference instant T successively
dcorresponding mileage number S
d; Or by the mileage number S that quick public transport vehicle travels
dbe associated with immediate benchmark mileage with it in the table described time of running, the reference instant of its correspondence is set to T
d;
By T
dcompare with current time T, computing time deviate Cw=|T-T
d|, compare with deviation alarm threshold value C: if during Cw≤C, judge that current quick public transport vehicle normally travels; If Cw>C, and T-T
dfor on the occasion of time, judge the delayed traveling of current quick public transport vehicle; If Cw>C, and T-T
dduring for negative value, judge that current quick public transport vehicle travels in advance;
Deviation display module (34), receives the judged result of described multilevel iudge module (33), and quick public transport vehicle is by the reference instant T corresponding to current time T and quick public transport vehicle current time physical location or actual travel mileage
ddifference distinguish display in seconds, prompting driver regulate the speed.
2. the system that can improve bus rapid transit scheduling accuracy according to claim 1, is characterized in that:
Described scheduling unit (1) also comprises route schematic diagram display module (13), it receives the data showing generation module (12) the described time of running, and is received the data of the described multilevel iudge module (33) in all quick public transport vehicle vehicle dispatching performance elements by described first data communication unit (21);
Described route schematic diagram display module (13) is by representing intention display quick public transport vehicle travel route the time of running, represent that intention represents the reference instant of record in the table described time of running with reference position point the described time of running, the line segment connecting described reference position point composition represents travel route, by the reference instant T corresponding to reference position corresponding for current time T point and each order of classes or grades at school quick public transport vehicle physical location
dcorresponding reference position point difference display.
3. the system that can improve bus rapid transit scheduling accuracy according to claim 1 and 2, is characterized in that:
Described vehicle dispatching performance element also comprises auditory tone cues module (35), be connected with the signal output part of described multilevel iudge module (33), according to the judged result of described multilevel iudge module (33), whether sailed according to the table row time of running by voice signal prompting driver.
4. the system that can improve bus rapid transit scheduling accuracy according to claim 3, is characterized in that:
Described vehicle GPS positioning unit (4) has identical specifications parameter with described GPS locator module (321).
5. utilize the arbitrary described system that can improve bus rapid transit scheduling accuracy of claim 1-4 to carry out a method of dispatching, it is characterized in that, comprise the steps:
I. schedule plan is generated
1. for each bus rapid transit route, by driver quick public transport vehicle speeds according to the rules between every two adjacent sites, the position coordinates (x of a quick public transport vehicle is gathered p.s.
i, y
i) and distance travelled number S
i;
Position coordinates (the x of the quick public transport vehicle 2. p.s. collected
i, y
i) as reference position coordinate, by distance travelled number S
ias benchmark mileage, by running time t
ias reference time, form schedule plan after association, first described reference position of recording in described schedule plan is reference position, and corresponding running time is initial time; Record in described schedule plan last described in reference position be in-position, corresponding running time is time of arrival;
II. generating run timetable
Transfer all schedule plans relevant to a bus rapid transit route, according to frequency, each down time of stopping website of each order of classes or grades at school quick public transport vehicle of this route, by the running time t in described schedule plan
ichange corresponding local time T into
ias reference instant, formed and show one group of time of running corresponding with each order of classes or grades at school quick public transport vehicle; When quick public transport vehicle is dispatched a car in starting station wait, one of correspondence group of time of running is shown to be sent to quick public transport vehicle;
III. schedule information is generated
S1, judge current time T whether equal a certain time of running table in record initial time; If equal, assign out to the quick public transport vehicle of correspondence immediately and send instructions; Otherwise, judge whether current time T is greater than the initial time of table record a certain time of running, be less than the time of arrival of table record described time of running simultaneously;
If S2 current time T is greater than the initial time of table record a certain time of running, is less than the time of arrival of this of table record simultaneously time of running, then judges that corresponding quick public transport vehicle sets out, read current time quick public transport vehicle actual position coordinate (x
d, y
d), otherwise repeat step S1;
S3, transfer the described time of running table, by the coordinate (x of quick public transport vehicle physical location
d, y
d) be associated with reference position nearest with it in the table described time of running, the reference instant of its correspondence is set to T
d; Reference instant T in simultaneously showing the time of running
dand corresponding benchmark mileage afterwards, deduct reference instant T successively
dcorresponding mileage number S
dand the distance travelled number of quick public transport vehicle current time is reset, then perform step S5;
If current time quick public transport vehicle actual position coordinate (x cannot be gathered
d, y
d), proceed to step S4;
S4, transfer the table described time of running, read the actual travel mileage number S of quick public transport vehicle current time
d; Quick public transport vehicle actual travel mileage number is associated with immediate benchmark mileage with it in the table described time of running, the reference instant of its correspondence is set to T
d;
S5, computing time deviate Cw=|T-T
d|, described reporting Cw and deviation alarm threshold value C is compared:
If during Cw≤C, judge that quick public transport vehicle normally travels;
If Cw>C, and T-T
dfor on the occasion of, judge the delayed traveling of quick public transport vehicle;
If Cw>C, and T-T
dfor negative value, judge that quick public transport vehicle travels in advance;
S6, quick public transport vehicle are by the reference instant T corresponding to current time T and quick public transport vehicle current time physical location or actual travel mileage
ddifference distinguish display in seconds, prompting driver regulate the speed;
S7, judge current time whether equal a certain time of running table in record arrival time, if equal, perform step IV, if be not equal to, return step S1;
IV, judge whether quick public transport reaches terminal, if reached terminal, task terminates; Otherwise, return step S1.
6. the system that utilization according to claim 5 can improve bus rapid transit scheduling accuracy carries out the method for dispatching, and it is characterized in that:
Before described step I, also comprise the step of numbering respectively for every bar bus rapid transit route and each website thereof;
Obtain in described step I each described in schedule plan all there is the identification number relevant to bus rapid transit route site number.
7. the system that the utilization according to claim 5 or 6 can improve bus rapid transit scheduling accuracy carries out the method for dispatching, and it is characterized in that:
After the table generation time of running described in described Step II, the time of running of display quick public transport vehicle travel route represents intention; By the reference instant T corresponding to reference position corresponding for current time T point and each order of classes or grades at school quick public transport vehicle physical location or actual travel mileage
dcorresponding reference position point difference display.
8. the system that utilization according to claim 7 can improve bus rapid transit scheduling accuracy carries out the method for dispatching, and it is characterized in that:
Also comprise the steps: after described step S4
Whether S4 ', broadcasting voice signal prompting driver be according to the step that the described time of running, table row was sailed.
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| CN104574942B (en) * | 2014-08-11 | 2016-08-24 | 北京易华录信息技术股份有限公司 | Front guide-car is accurate to control method and the system that the second is run when accident occurs |
| CN104575059B (en) * | 2014-08-19 | 2016-09-14 | 北京易华录信息技术股份有限公司 | A kind of method and system that BRT can be guided precisely to run according to timetable |
| CN104574945B (en) * | 2014-09-04 | 2016-08-17 | 北京易华录信息技术股份有限公司 | The quick public transport vehicle command dispatching system when the dwell time changes and method |
| CN104599489B (en) * | 2014-09-11 | 2016-09-14 | 北京易华录信息技术股份有限公司 | The method and system of quick public transport vehicle are precisely dispatched in accident when occurring |
| CN105469624A (en) * | 2016-01-11 | 2016-04-06 | 深圳市蓝泰源信息技术股份有限公司 | Operation total process automatic monitoring method based on scheduling |
| CN111738490A (en) * | 2020-05-21 | 2020-10-02 | 郑州天迈科技股份有限公司 | Flexible bus line resource multiplexing distribution scheduling method |
| CN112085340B (en) * | 2020-08-14 | 2024-04-02 | 广州思创科技股份有限公司 | Bus dispatching method, system, device and storage medium |
| CN112700671B (en) * | 2020-12-01 | 2021-12-10 | 华录智达科技股份有限公司 | Real-time bus monitoring method and system based on class chart |
| CN113096376B (en) * | 2021-04-26 | 2022-06-17 | 广州通达汽车电气股份有限公司 | Method, device, equipment and storage medium for judging vehicle crossing |
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